﻿using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using System.Windows.Data;

namespace G.WeiBo.Converter
{
    /// <summary>
    /// 根据图片文件的后缀来判断是否显示该图片，还是显示该图片的默认代替图片
    /// </summary>
    public class ImageConverter : IValueConverter
    {

        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            if (value == null)
                return value;
            string fileName = value.ToString();
            if (System.IO.Path.GetExtension(fileName).ToLower() == ".gif")
            {
                return "/G.WeiBo;component/Image/gif.png";
            }
            return fileName;
        }

        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            throw new NotImplementedException();
        }
    }
}
